Mercury – 5-Way J-Box Kit with Weather Caps | SmartCraft Network Hub | 98-8M0165557

Overview

SmartCraft networks work best when the layout is clean and each device has a proper connection point. The Mercury 98-8M0165557 5-Way J-Box Kit gives you a tidy hub for expanding or organizing a SmartCraft system, making it easier to add gauges, sensors, or modules without messy adapters. With three included weather caps, unused ports stay sealed and protected, keeping the network stable through long seasons on the water.

Key Features

• 5-Way Network Hub – Provides five SmartCraft connection points for expanding or organizing a CAN P network.
• Weather Cap Protection – Includes three caps to seal unused ports against moisture and debris.
• Clean System Layout – Helps centralize SmartCraft wiring into one accessible junction.
• Stable CAN Communication – Maintains reliable data flow across all connected modules.
• OEM Connectors – Uses factory SmartCraft ports for secure, proper-fit connections.
• Marine-Durable Housing – Built to withstand vibration, spray, and long-term exposure.

Compatibility

• SmartCraft CAN P networks
• SmartCraft gauges and helm devices
• SmartCraft engine modules and accessories
• Junction box expansion setups

Performance & Practical Benefits

This J-box makes SmartCraft rigging much easier to manage. It gives each device its own clean port so the network stays organized and predictable, which helps reduce troubleshooting time later. The included weather caps keep unused ports sealed, preventing moisture from causing intermittent faults. Once installed, the hub creates a stable backbone point that keeps communication smooth across the system.

Why Buy OEM

SmartCraft networks depend on proper connectors, shielding, and termination. Mercury’s OEM J-box maintains the electrical integrity the system expects and holds up far better than generic splitters or aftermarket hubs. The factory-quality ports, sealing, and materials keep the network dependable season after season.

FAQ

Q1: When is a 5-way J-box needed?
Whenever the network requires extra connection points for gauges, sensors, or add-on SmartCraft modules.

Q2: Do the included weather caps matter?
Yes. Sealing unused ports helps prevent moisture intrusion and keeps the network stable.

Q3: Does installation require rewiring?
No. Each device plugs directly into the J-box using existing SmartCraft connectors.

Q4: Can this J-box be used in the bilge?
It can, but mounting it in a dry, accessible spot helps with long-term service and stability.

Q5: Will adding this hub affect network performance?
No. When used correctly, it maintains normal CAN P communication across all connected devices.